Answer:
Electromagnetic waves have crests and troughs similar to those of ocean waves. The distance between crests is the wavelength. The shortest wavelengths are just fractions of the size of an atom, while the longest wavelengths scientists currently study can be larger than the diameter of our planet!
Step-by-step explanation:
Answer:
4 seconds I believe
Step-by-step explanation:
Answer:
15.40/3.5=$4.40 dollars a pound
7.65/1.8=$4.25 dollars a pound
Step-by-step explanation:
divide to get the unit price
so 7.65/1.8=$4.25 dollars a pound is the cheaper unit as well.
0.125 but 0.13 if it asks you to round
If you meant y = 27x - 3, OK. Then, if x = 4, y = 27(4) - 3, or 108-3 = 105.